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<p><b>नया पृष्ठ</b></p><div>भौतिक {{विज्ञान}}<br />
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'''यांत्रिकी''' (Mechanics) [[भौतिक शास्त्र|भौतिकी]] की वह शाखा है जिसमें पिण्डों पर बल लगाने या विस्थापित करने पर उनके व्यवहार का अध्ययन करती है। यांत्रिकी की जड़ें कई प्राचीन सभ्यताओं से निकली हैं।<br />
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== यांत्रिकी के उप-विषय==<br />
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=== क्लासिकी यांत्रिकी===<br />
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* [[चिरसम्मत यांत्रिकी|न्यूटनी यांत्रिकी]] (Newtonian mechanics)<br />
* [[वैश्लेषिक यांत्रिकी]] (Analytical mechanics]] <br />
** [[हैमिल्टनी यांत्रिकी]] (Hamiltonian mechanics), a theoretical [[Formalism (mathematics)|formalism]], based on the principle of conservation of energy.<br />
** [[लाग्राञी यांत्रिकी]] (Lagrangian mechanics), another theoretical formalism, based on the principle of the [[least action]].<br />
* [[क्लासिकी सांख्यिकीय यांत्रिकी]] (Classical statistical mechanics) generalizes ordinary classical mechanics to consider systems in an unknown state; often used to derive [[thermodynamics|thermodynamic]] properties.<br />
* [[खगोलीय यांत्रिकी]] (Celestial mechanics), the motion of bodies in space: planets, comets, stars, [[galaxies]], etc.<br />
* [[खगोलगतिकी]] (Astrodynamics), अंतरिक्षयान [[नौकायन]] (navigation), आदि।<br />
* [[ठोस यांत्रिकी]] (Solid mechanics), [[Elasticity (physics)|elasticity]], the properties of deformable bodies.<br />
* [[Fracture mechanics]] <br />
* [[स्वनविज्ञान|ध्वनिविज्ञान]] (Acoustics), [[ध्वनि]] ( = घनत्व विचरण का प्रगमन / density variation propagation) in solids, fluids and gases.<br />
* [[स्थैतिकी|स्थिति विज्ञान]], semi-rigid bodies in [[mechanical equilibrium]]<br />
* [[तरल यांत्रिकी]] (Fluid mechanics), the motion of fluids<br />
* [[मृदा यांत्रिकी]] (Soil mechanics), mechanical behavior of soils<br />
* [[सांतत्यक यांत्रिकी]] (Continuum mechanics), mechanics of continua (both solid and fluid)<br />
* [[जल इंजीनियरी|द्रविकी]] या [[द्रवविज्ञान]] (Hydraulics), mechanical properties of liquids<br />
* [[द्रव स्थैतिकी]] (Fluid statics), liquids in equilibrium<br />
* [[अनुप्रयुक्त यांत्रिकी|अनुप्रयुक्त यांत्रिकी या इंजीनियरी यांत्रिकी]]<br />
* [[जैवयांत्रिकी]] (Biomechanics), solids, fluids, etc. in biology<br />
* [[जैवभौतिकी]] (Biophysics), physical processes in living organisms<br />
* [[आपेक्षिक भौतिकी]] (Relativistic]] or [[अल्बर्ट आइंस्टीन|Einsteinian]] mechanics, universal [[gravitation]].<br />
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===क्वाण्टम यांत्रिकी===<br />
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* [[श्रोडिंगर समीकरण|श्रोडिंगर का तरंग समीकरण]], used to describe the movements of the wavefunction of a single particle.<br />
* [[मैट्रिक्स यांत्रिकी]] (Matrix mechanics) is an alternative formulation that allows considering systems with a finite-dimensional state space.<br />
* [[क्वाण्टम सांख्यिकीय यांत्रिकी]] (Quantum statistical mechanics) generalizes ordinary quantum mechanics to consider systems in an unknown state; often used to derive [[thermodynamics|thermodynamic]] properties.<br />
* [[कण भौतिकी]] (Particle physics), the motion, structure, and reactions of particles<br />
* [[नाभिकीय भौतिकी|नभिकीय भौतिकी]] (Nuclear physics), the motion, structure, and reactions of nuclei<br />
* [[संघनित पदार्थ भौतिकी]] (Condensed matter physics), quantum gases, solids, liquids, etc.<br />
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निम्नांकित चित्र में यांत्रिकी के विभिन्न क्षेत्रों का विहंगम दृश्य दिखाया गया है-<br />
[[चित्र:Mechanics Overview Table.jpg|center|600px]]<br />
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== इन्हें भी देखें ==<br />
* [[अनुप्रयुक्त यांत्रिकी]]<br />
* [[यांत्रिक इंजीनियरी]]<br />
* [[मिस्त्री|मेकैनिक]]<br />
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== बाहरी कड़ियाँ ==<br />
* [https://web.archive.org/web/20190219044626/http://imechanica.org/ iMechanica: the web of mechanics and mechanicians]<br />
* [https://web.archive.org/web/20110708061944/http://rodsalgado.blogspot.com/ Mechanics Blog by a Purdue University Professor]<br />
* [https://web.archive.org/web/20061006212949/http://www.esm.vt.edu/ The Mechanics program at Virginia Tech]<br />
* [https://web.archive.org/web/20070601020244/http://www.physclips.unsw.edu.au/ Physclips: Mechanics with animations and video clips] from the University of New South Wales<br />
* [https://web.archive.org/web/20090330043345/http://www7.nationalacademies.org/usnctam/ U.S. National Committee on Theoretical and Applied Mechanics]<br />
* [https://web.archive.org/web/20190129032258/http://www.physics-online.com/ Interactive learning resources for teaching Mechanics]<br />
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